view mod_fallback_vcard/mod_fallback_vcard.lua @ 3656:3e0f4d727825

mod_vcard_muc: Add an alternative method of signaling avatar change When the avatar has been changed, a signal is sent that the room configuration has changed. Clients then do a disco#info query to find the SHA-1 of the new avatar. They can then fetch it as before, or not if they have it cached already. This is meant to be less disruptive than signaling via presence, which caused problems for some clients. If clients transition to the new method, the old one can eventually be removed. The namespace is made up while waiting for standardization. Otherwise it is very close to what's described in https://xmpp.org/extensions/inbox/muc-avatars.html
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:46:43 +0200
parents ceb594a14a18
children
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local datamanager = require "util.datamanager";
local usermanager = require "core.usermanager";
local st = require "util.stanza";
local host = module.host;
local jid_split = require "util.jid".split;

local orgname = module:get_option_string("default_vcard_orgname");
local orgmail = module:get_option_boolean("default_vcard_orgmail");

module:hook("iq/bare/vcard-temp:vCard", function(event)
	local session, stanza = event.origin, event.stanza;
	local to = stanza.attr.to;
	local username = jid_split(to);
	if not username then return end

	local vcard = datamanager.load(username, host, "vcard");
	local data = datamanager.load(username, host, "account_details");
	local exists = usermanager.user_exists(username, host);
	module:log("debug", "has %s: %s", "vcard", tostring(vcard));
	module:log("debug", "has %s: %s", "data", tostring(data));
	module:log("debug", "has %s: %s", "exists", tostring(exists));
	data = data or {};

	if not(vcard) and data and exists then
		-- MAYBE
		-- first .. " " .. last
		-- first, last = name:match("^(%w+) (%w+)$")
		local vcard = st.reply(stanza):tag("vCard", { xmlns = "vcard-temp" })
			:tag("VERSION"):text("3.0"):up()
			:tag("N")
				:tag("FAMILY"):text(data.last or ""):up()
				:tag("GIVEN"):text(data.first or ""):up()
			:up()
			:tag("FN"):text(data.name or ""):up()
			:tag("NICKNAME"):text(data.nick or username):up()
			:tag("JABBERID"):text(username.."@"..host):up();
		if orgmail then
			vcard:tag("EMAIL"):tag("USERID"):text(username.."@"..host):up():up();
		elseif data.email then
			vcard:tag("EMAIL"):tag("USERID"):text(data.email):up():up();
		end
		if orgname then
			vcard:tag("ORG"):tag("ORGNAME"):text(orgname):up():up();
		end
		session.send(vcard);
		return true;
	end
end, 1);